Joe, Sorry, doesn't ring a bell. One thing to try is to turn of "Use Data Partitions" (see [1]) if your data is already partitioned between ranks such that we can build a sorting order.
Utkarsh [1] https://blog.kitware.com/improved-parallel-rendering-in-paraview/ On Wed, Jan 24, 2018 at 3:16 PM, Hennessey, Joseph G CTR USARMY RDECOM ARL (US) <joseph.g.hennessey2....@mail.mil> wrote: > Hello, > > I am experiencing an error with volume rendering very large > tetrahedral data with ParaView version 5.4.1. > > The data is loaded properly and the surface representation works, > but when I change the representation to Volume, I get the standard > dialog below to which I respond "Yes" > > 'This will change the representation type to "Volume". > That may take a while, depending on your dataset. Are you sure?' > > I am tested this on two of the HPC supercomputer systems > while connected to a remote server with multiple compute nodes, > communicating over MPI. I have verified, I am not running out of memory > on the compute nodes or on the client but on large data, > (over 40 million or so tetrahedrons) the compute nodes will crash > without any error messages and the remote connection will drop, > running out of memory would cause a similar failure, but as far as > I can tell, that is not the case here. > > I wanted to see if anyone else had hit this problem, before I try building > debug versions of the software and using a debugger on them, > to trace the failure down more thoroughly. > > The data has 4 vectors and a scalar defined at each tetrahedron, > and it renders fine with smaller subsets (less than 20 million > or so tetrahedron). I would like to be able to scale up to a billion > tetrahedrons eventually, so a 40 million limit is a problem. > > I suspect that there might be an issue in > vtkOpenGLProjectedTetrahedraMapper.cxx > where some buffer is maybe 32 bit instead of 64 bit, > but I have not confirmed this. > > Has anyone already solved this problem yet? > > Thanks, > > Joe > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Joseph G. Hennessey Ph.D., SAIC > Team SAIC > Army Research Lab > DOD Supercomputing Resource Center > Email: joseph.g.hennessey2....@mail.mil > > > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the ParaView Wiki at: > http://paraview.org/Wiki/ParaView > > Search the list archives at: http://markmail.org/search/?q=ParaView > > Follow this link to subscribe/unsubscribe: > https://paraview.org/mailman/listinfo/paraview > _______________________________________________ Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView Search the list archives at: http://markmail.org/search/?q=ParaView Follow this link to subscribe/unsubscribe: https://paraview.org/mailman/listinfo/paraview
